APA (7th ed.) Citation

Whiteside, P. (2018). The little book of happiness: Your guide to a better life. Penguin Random House.

Chicago Style (17th ed.) Citation

Whiteside, Patrick. The Little Book of Happiness: Your Guide to a Better Life. London: Penguin Random House, 2018.

MLA (9th ed.) Citation

Whiteside, Patrick. The Little Book of Happiness: Your Guide to a Better Life. Penguin Random House, 2018.